Weather alerts in Maryland, 2000
204 weather alerts in 2000, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in 2000. Tap one for its archive.
- Alerts
- 204
- Warnings
- 176
- Watches
- 28
- Advisories
- 0
- Busiest month
- May54 alerts
- Busiest day
- May 13, 200018 alerts
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 11, 10:26 AM EST | Severe Thunderstorm Warning | LWX | Howard, Montgomery | 49 min |
| Feb 14, 5:30 PM EST | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 45 min |
| Feb 18, 11:45 PM EST | Flash Flood Warning | LWX | Allegany, Washington | 6 hr |
| Mar 11, 3:41 PM EST | Severe Thunderstorm Warning | LWX | Saint Mary's | 49 min |
| Mar 11, 6:45 PM EST | Severe Thunderstorm Watch | SPC | Charles, Dorchester, Saint Mary's, Somerset, Wicomico, Worcester | 5 hr |
| Mar 22, 10:30 AM EST | Flash Flood Warning | AKQ | Somerset, Wicomico, Worcester | 6 hr |
| Mar 25, 4:49 PM EST | Severe Thunderstorm Warning | LWX | Charles | 26 min |
| Mar 25, 4:59 PM EST | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Prince George's | 31 min |
| Mar 25, 5:15 PM EST | Severe Thunderstorm Warning | LWX | Charles | 45 min |
| Apr 21, 12:00 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 12 more | 5 hr |
| Apr 21, 12:49 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 31 min |
| Apr 21, 2:10 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 50 min |
| Apr 21, 2:33 PM EDT | Tornado Warning | LWX | Charles | 27 min |
| Apr 21, 3:03 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 57 min |
| Apr 21, 3:03 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 57 min |
| Apr 21, 4:00 PM EDT | Severe Thunderstorm Watch | SPC | Calvert, Caroline, Dorchester, Queen Anne's, Saint Mary's, Somerset and 3 more | 6 hr |
| Apr 21, 4:04 PM EDT | Severe Thunderstorm Warning | PHI | Queen Anne's, Talbot | 41 min |
| Apr 21, 4:16 PM EDT | Severe Thunderstorm Warning | LWX | Howard, Montgomery | 59 min |
| Apr 21, 4:39 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 36 min |
| Apr 21, 5:05 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, City of Baltimore | 55 min |
| Apr 21, 5:52 PM EDT | Severe Thunderstorm Warning | AKQ | Worcester | 33 min |
| Apr 21, 6:19 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset | 31 min |
| Apr 21, 6:57 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset | 28 min |
| Apr 21, 7:11 PM EDT | Severe Thunderstorm Warning | AKQ | Wicomico | 29 min |
| Apr 21, 7:15 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 30 min |
| Apr 21, 7:26 PM EDT | Severe Thunderstorm Warning | AKQ | Worcester | 44 min |
| Apr 21, 8:12 PM EDT | Severe Thunderstorm Warning | AKQ | Worcester | 33 min |
| May 10, 11:05 AM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 55 min |
| May 10, 11:15 AM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Caroline, Carroll, Cecil, Frederick and 8 more | 6 hr |
| May 10, 1:56 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 49 min |
| May 10, 2:40 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 50 min |
| May 10, 3:20 PM EDT | Severe Thunderstorm Warning | LWX | Carroll | 40 min |
| May 10, 3:45 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 12 more | 5 hr |
| May 10, 3:54 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll | 51 min |
| May 10, 4:11 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Montgomery | 49 min |
| May 10, 4:31 PM EDT | Severe Thunderstorm Warning | LWX | Howard | 44 min |
| May 10, 4:43 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Howard, Montgomery | 47 min |
| May 10, 4:43 PM EDT | Severe Thunderstorm Warning | LWX | City of Baltimore | 47 min |
| May 10, 5:06 PM EDT | Tornado Warning | LWX | Baltimore | 24 min |
| May 10, 5:33 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 27 min |
| May 10, 5:59 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 46 min |
| May 10, 6:11 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 49 min |
| May 10, 6:33 PM EDT | Severe Thunderstorm Warning | LWX | Calvert | 42 min |
| May 10, 6:51 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Saint Mary's | 39 min |
| May 13, 8:29 AM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 51 min |
| May 13, 2:45 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 10 more | 5 hr |
| May 13, 2:55 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Montgomery | 50 min |
| May 13, 4:40 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 35 min |
| May 13, 5:05 PM EDT | Tornado Warning | LWX | Baltimore | 25 min |
| May 13, 5:13 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 47 min |
| May 13, 5:22 PM EDT | Tornado Warning | LWX | Harford | 38 min |
| May 13, 5:40 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 65 min |
| May 13, 5:41 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 49 min |
| May 13, 6:16 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 29 min |
| May 13, 6:39 PM EDT | Severe Thunderstorm Warning | LWX | Carroll | 66 min |
| May 13, 6:42 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 33 min |
| May 13, 6:56 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Howard, City of Baltimore | 34 min |
| May 13, 7:17 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 43 min |
| May 13, 7:35 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, City of Baltimore | 40 min |
| May 13, 7:35 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 40 min |
| May 13, 7:47 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 43 min |
| May 13, 7:55 PM EDT | Flash Flood Warning | LWX | Baltimore, Harford | 110 min |
| May 13, 8:00 PM EDT | Severe Thunderstorm Watch | SPC | Calvert, Caroline, Cecil, Dorchester, Harford, Kent and 3 more | 3 hr |
| May 13, 8:02 PM EDT | Severe Thunderstorm Warning | PHI | Queen Anne's, Talbot | 58 min |
| May 13, 8:02 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 58 min |
| May 13, 8:25 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 35 min |
| May 13, 9:10 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 35 min |
| May 19, 3:00 PM EDT | Severe Thunderstorm Watch | SPC | Saint Mary's, Somerset, Worcester | 5 hr |
| May 24, 2:25 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 50 min |
| May 24, 2:58 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Howard | 32 min |
| May 24, 3:00 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Baltimore, Carroll, Cecil, Frederick, Harford and 3 more | 6 hr |
| May 24, 3:26 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Howard | 49 min |
| May 24, 3:26 PM EDT | Severe Thunderstorm Warning | LWX | City of Baltimore | 49 min |
| May 24, 3:39 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll | 46 min |
| May 24, 4:10 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 30 min |
| May 24, 4:45 PM EDT | Severe Thunderstorm Warning | PHI | Queen Anne's, Talbot | 30 min |
| May 24, 9:39 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Prince George's | 36 min |
| May 24, 10:17 PM EDT | Severe Thunderstorm Warning | PHI | Queen Anne's, Talbot | 28 min |
| May 24, 10:42 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 28 min |
| May 24, 10:49 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 26 min |
| May 24, 11:15 PM EDT | Severe Thunderstorm Watch | SPC | Calvert, Charles, Talbot | 6 hr |
| Jun 2, 5:15 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Garrett, Washington | 5 hr |
| Jun 2, 6:40 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 35 min |
| Jun 2, 6:58 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Howard | 47 min |
| Jun 2, 7:00 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Carroll, Cecil, Frederick, Harford and 5 more | 5 hr |
| Jun 2, 7:08 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 52 min |
| Jun 2, 7:08 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 52 min |
| Jun 2, 7:17 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 63 min |
| Jun 2, 7:37 PM EDT | Severe Thunderstorm Warning | PHI | Queen Anne's | 53 min |
| Jun 2, 7:45 PM EDT | Severe Thunderstorm Watch | SPC | Calvert, Caroline, Charles, Dorchester, Queen Anne's, Saint Mary's and 3 more | 4 hr |
| Jun 2, 7:54 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 36 min |
| Jun 2, 7:59 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Prince George's | 46 min |
| Jun 2, 8:06 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 39 min |
| Jun 2, 8:29 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 31 min |
| Jun 2, 8:36 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Saint Mary's | 39 min |
| Jun 15, 12:30 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Garrett | 6 hr |
| Jun 15, 2:15 PM EDT | Severe Thunderstorm Watch | SPC | Baltimore, Carroll, Frederick, Howard, Montgomery, Prince George's and 2 more | 6 hr |
| Jun 15, 2:17 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 43 min |
| Jun 15, 3:18 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 57 min |
| Jun 15, 4:29 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 46 min |
| Jun 15, 6:00 PM EDT | Severe Thunderstorm Watch | SPC | Charles | 5 hr |
| Jun 15, 6:12 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 33 min |
| Jun 15, 7:34 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 41 min |
| Jun 15, 7:45 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 13 more | 5 hr |
| Jun 15, 8:26 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 49 min |
| Jun 15, 8:37 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 38 min |
| Jun 15, 8:37 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 38 min |
| Jun 16, 7:45 PM EDT | Flash Flood Warning | LWX | Allegany, Washington | 75 min |
| Jun 18, 2:30 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 15 more | 7 hr |
| Jun 18, 7:52 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 38 min |
| Jun 18, 8:30 PM EDT | Severe Thunderstorm Warning | LWX | Saint Mary's | 30 min |
| Jun 25, 5:57 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Washington | 33 min |
| Jun 25, 8:52 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 38 min |
| Jun 25, 9:02 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick | 58 min |
| Jun 25, 9:48 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore | 42 min |
| Jun 25, 11:48 PM EDT | Flash Flood Warning | LWX | Montgomery | 117 min |
| Jun 26, 12:56 AM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Howard, Prince George's | 64 min |
| Jun 26, 1:11 AM EDT | Severe Thunderstorm Warning | LWX | Baltimore, City of Baltimore | 49 min |
| Jun 26, 3:52 PM EDT | Severe Thunderstorm Warning | LWX | Howard, Montgomery | 38 min |
| Jun 26, 4:24 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 51 min |
| Jun 26, 4:30 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 45 min |
| Jun 26, 4:46 PM EDT | Flash Flood Warning | LWX | Howard, Montgomery | 59 min |
| Jun 26, 5:01 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent | 44 min |
| Jun 26, 5:40 PM EDT | Flash Flood Warning | LWX | Montgomery | 65 min |
| Jun 26, 6:17 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Saint Mary's | 43 min |
| Jun 27, 3:00 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 12 more | 5 hr |
| Jun 27, 4:35 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 40 min |
| Jun 27, 5:06 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 39 min |
| Jun 27, 6:06 PM EDT | Severe Thunderstorm Warning | LWX | Saint Mary's | 39 min |
| Jun 29, 9:00 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 45 min |
| Jul 3, 8:12 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 48 min |
| Jul 10, 12:30 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Garrett, Washington | 6 hr |
| Jul 10, 4:30 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 15 more | 6 hr |
| Jul 10, 5:57 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 48 min |
| Jul 10, 6:20 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Saint Mary's | 40 min |
| Jul 14, 4:15 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Garrett | 6 hr |
| Jul 14, 4:28 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 47 min |
| Jul 14, 4:45 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 6 more | 5 hr |
| Jul 14, 5:51 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, City of Baltimore | 69 min |
| Jul 14, 6:25 PM EDT | Flash Flood Warning | LWX | Baltimore, City of Baltimore | 110 min |
| Jul 14, 6:36 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 54 min |
| Jul 14, 8:15 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 45 min |
| Jul 14, 8:26 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 34 min |
| Jul 14, 10:06 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 24 min |
| Jul 14, 10:44 PM EDT | Flash Flood Warning | LWX | Baltimore, City of Baltimore | 2 hr |
| Jul 14, 11:23 PM EDT | Flash Flood Warning | LWX | Anne Arundel, Prince George's | 67 min |
| Jul 14, 11:45 PM EDT | Flash Flood Warning | PHI | Kent, Queen Anne's | 3 hr |
| Jul 15, 12:11 AM EDT | Severe Thunderstorm Warning | LWX | Charles | 64 min |
| Jul 15, 12:20 AM EDT | Flash Flood Warning | PHI | Caroline, Talbot | 2 hr |
| Jul 15, 12:35 AM EDT | Flash Flood Warning | LWX | Charles, Saint Mary's | 115 min |
| Jul 15, 12:45 AM EDT | Severe Thunderstorm Warning | PHI | Talbot | 30 min |
| Jul 15, 1:10 AM EDT | Severe Thunderstorm Warning | PHI | Caroline | 35 min |
| Jul 15, 1:12 AM EDT | Flash Flood Warning | AKQ | Dorchester, Wicomico | 93 min |
| Jul 15, 1:17 AM EDT | Severe Thunderstorm Warning | AKQ | Dorchester, Wicomico | 43 min |
| Jul 15, 2:25 AM EDT | Flash Flood Warning | LWX | Saint Mary's | 65 min |
| Jul 15, 5:34 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 26 min |
| Jul 16, 6:11 AM EDT | Severe Thunderstorm Warning | LWX | Calvert, Saint Mary's | 49 min |
| Jul 16, 12:16 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 44 min |
| Jul 16, 1:00 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 45 min |
| Jul 16, 2:26 PM EDT | Severe Thunderstorm Warning | LWX | Calvert | 49 min |
| Jul 16, 4:30 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 60 min |
| Jul 16, 5:35 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 55 min |
| Jul 28, 5:45 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 45 min |
| Jul 28, 7:02 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 58 min |
| Jul 28, 7:22 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 68 min |
| Jul 28, 9:01 PM EDT | Flash Flood Warning | PHI | Talbot | 119 min |
| Jul 28, 9:05 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 25 min |
| Jul 28, 10:37 PM EDT | Flash Flood Warning | PHI | Talbot | 2 hr |
| Jul 29, 1:57 PM EDT | Flash Flood Warning | AKQ | Worcester | 63 min |
| Jul 30, 4:35 PM EDT | Flash Flood Warning | PBZ | Garrett | 3 hr |
| Jul 30, 4:45 PM EDT | Flash Flood Warning | LWX | Carroll | 60 min |
| Jul 30, 7:06 PM EDT | Flash Flood Warning | PBZ | Garrett | 3 hr |
| Jul 31, 3:01 PM EDT | Flash Flood Warning | PBZ | Garrett | 4 hr |
| Jul 31, 4:42 PM EDT | Flash Flood Warning | LWX | Allegany | 78 min |
| Jul 31, 4:51 PM EDT | Tornado Warning | LWX | Saint Mary's | 39 min |
| Jul 31, 5:08 PM EDT | Tornado Warning | LWX | Calvert | 52 min |
| Aug 4, 3:02 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 58 min |
| Aug 6, 10:47 AM EDT | Flash Flood Warning | PBZ | Garrett | 3 hr |
| Aug 6, 11:25 AM EDT | Flash Flood Warning | LWX | Allegany | 4 hr |
| Aug 6, 1:42 PM EDT | Flash Flood Warning | PBZ | Garrett | 4 hr |
| Aug 7, 3:20 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Howard, Montgomery | 55 min |
| Aug 7, 4:11 PM EDT | Severe Thunderstorm Warning | LWX | Howard, Montgomery | 64 min |
| Aug 7, 5:52 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 68 min |
| Aug 7, 6:31 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert | 59 min |
| Aug 9, 1:00 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 8 more | 6 hr |
| Aug 9, 4:24 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 66 min |
| Aug 9, 5:00 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 15 more | 5 hr |
| Aug 9, 5:25 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 65 min |
| Aug 9, 5:25 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 65 min |
| Aug 27, 9:23 AM EDT | Flash Flood Warning | AKQ | Dorchester | 97 min |
| Aug 27, 5:30 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 45 min |
| Aug 27, 8:20 PM EDT | Flash Flood Warning | PHI | Cecil | 3 hr |
| Sep 2, 6:05 PM EDT | Flash Flood Warning | AKQ | Wicomico | 55 min |
| Sep 2, 6:33 PM EDT | Flash Flood Warning | LWX | Calvert, Saint Mary's | 57 min |
| Sep 2, 9:08 PM EDT | Flash Flood Warning | AKQ | Somerset | 67 min |
| Sep 11, 7:16 PM EDT | Flash Flood Warning | LWX | Allegany | 119 min |
| Nov 9, 9:00 PM EST | Severe Thunderstorm Watch | SPC | Garrett | 3 hr |
| Nov 9, 10:24 PM EST | Severe Thunderstorm Warning | PBZ | Garrett | 66 min |
| Nov 9, 10:32 PM EST | Severe Thunderstorm Warning | LWX | Allegany | 58 min |
| Nov 9, 11:50 PM EST | Severe Thunderstorm Warning | LWX | Washington | 40 min |
| Dec 17, 2:15 AM EST | Tornado Watch | SPC | Anne Arundel, Calvert, Caroline, Cecil, Charles, Dorchester and 10 more | 5 hr |
| Dec 17, 7:00 AM EST | Tornado Watch | SPC | Calvert, Caroline, Cecil, Dorchester, Kent, Queen Anne's and 5 more | 5 hr |
| Dec 17, 7:03 AM EST | Flash Flood Warning | PHI | Cecil, Kent | 3 hr |
| Dec 17, 10:00 AM EST | Flash Flood Warning | PHI | Cecil, Kent | 3 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 136 |
| Tornado Warning | 6 |
| Severe Thunderstorm Watch | 26 |
| Tornado Watch | 2 |
| Flooding | |
| Flash Flood Warning | 34 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Prince George's County35
- Montgomery County34
- Charles County34
- Anne Arundel County31
- Baltimore County31
- Talbot County30
- Calvert County28
- Saint Mary's County27
- Howard County26
- City of Baltimore24
- Cecil County22
- Kent County21
- Queen Anne's County21
- Carroll County20
- Frederick County20
- Dorchester County19
- Harford County19
- Caroline County19
- Washington County18
- Wicomico County16
- Garrett County16
- Somerset County14
- Worcester County14
- Allegany County13
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19992001
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.